||Microsoft® Windows® 2000 Server is a high-performance, secure-network customer computer and corporate desktop operating system that includes the best features of Windows 98, while significantly extending the manageability, reliability, security, and performance of Windows NT® Workstation 4.0.
This version includes Service Pack 3.
Windows 2000 Server uses the following Client Access License part numbers:
- 8505773 Windows 2000 Server CAL 5 Pak
- 8505774 Windows 2000 Server CAL 20 Pak